4 ms·
This just isn't true. QR codes have a high degree of redundancy built into them via error correcting codes. For example there is the famous case of a bitcoin
by sdmike1 6y ago
This just isn't true. QR codes have a high degree of redundancy built into them via error correcting codes. For example there is the famous case of a bitcoin private key being recovered from a small amount of a qr code and a blurry shot of the full one[0].
[0] https://www.freecodecamp.org/news/lets-enhance-how-we-found-rogerkver-s-1000-wallet-obfuscated-private-key-8514e74a5433 https://www.freecodecamp.org/news/lets-enhance-how-we-found-...
- kube-system 6y agoI think the average QR code has what, 15-30% redundancy? a 100 pixel high 1d barcode is 10,000% redundant in one axis :)
- deleted 6y ago[deleted]
- pantalaimon 6y agoI found that if you damage one of the edges (with the positioning markers), most software will fail to read it.